- Concerning the characteristic of the power system and the request of the linear programming, it is needed to select the active constraints which should be enforced in the LP.
- This method searched along the edge of active constraints in quadratic programming, which would obtain available solution anytime in calculation and get the optimal solution more quickly.
- Soon tired of the constraint of military life.
- The orient has been playing an active role in the world economy.
- He is an active member of the school's stamp club.